Waste battery recycling and grinding device

Abstract

The invention relates to a waste battery recycling and grinding device and relates to the technical field of waste battery recycling, the waste battery recycling and grinding device comprises a machine shell, a grinding roller and a feeding hopper, the grinding roller comprises a rotating roller, a sliding column, an abutting block and a grinding block, a sliding groove is formed in one end of the rotating roller, and the sliding column is arranged in the sliding groove in a sliding mode; the abutting block is fixedly arranged on the surface of the sliding column, an abutting groove is formed in the inner wall of the sliding groove, and the abutting block is arranged in the abutting groove in a sliding mode; a plurality of grinding blocks are symmetrically arranged on the surface of the sliding column, a grinding groove is formed in the inner wall of the sliding groove, and the grinding blocks on the two rotating rollers are arranged in a staggered mode; a sliding assembly is arranged on the machine shell and used for driving the two sliding columns to slide in the opposite directions at the same time. The waste battery grinding device has the advantages that waste batteries are extruded and crushed in different directions, the grinding effect is enhanced, and the subsequent energy recovery rate is increased.

Description

Technical Field

[0001] The invention relates to the technical field of waste battery recycling, and in particular to a waste battery recycling grinding device. Background Art

[0002] At present, waste batteries refer to used and discarded batteries. The random discarding of waste batteries will cause water and soil pollution, seriously harm the environment, and seriously endanger human health over time. Therefore, it is necessary to recycle and grind waste batteries. On the one hand, it can avoid waste batteries from polluting the environment, and on the other hand, it can recycle useful materials in them and avoid waste of resources.

[0003] In the related art, a grinding device is designed, which includes a casing and a group of grinding rollers arranged in the casing. Two grinding rollers are arranged to rotate, and the teeth on the grinding rollers are meshed with each other and arranged in an alternating manner. During grinding, the waste batteries are poured between the two grinding rollers, and the teeth are used to squeeze, crush and grind the waste batteries. The waste batteries passing through the two grinding rollers are ground and discharged through the bottom.

[0004] In the process of implementing this application, it was found that there are at least the following problems in this technology: the relative rotation of the two grinding rollers can only squeeze and crush the waste batteries from a single direction, the grinding effect is poor, and there are cases of incomplete crushing, which affects the subsequent recovery of raw materials in the waste batteries, and therefore needs to be improved. Summary of the invention

[0005] In order to squeeze and crush waste batteries from different directions, enhance the grinding effect, and improve the subsequent energy recovery rate, the present application provides a waste battery recycling and grinding device.

[0006] The waste battery recycling and grinding device provided in this application adopts the following technical solution: A waste battery recycling grinding device comprises a casing, a grinding roller and a feed hopper, wherein two grinding rollers are arranged to rotate in the casing, the feed hopper is fixedly arranged on the casing, the feed hopper is located directly above the grinding roller, the casing is provided with a rotating assembly for driving the two grinding rollers to rotate relative to each other, the grinding roller comprises a rotating roller, a sliding column, an abutment block and a grinding block, the two ends of the rotating roller are rotatably connected to the inner wall of the casing, the rotating assembly is connected to the rotating roller, one end of the rotating roller is provided with a sliding groove, the sliding column slides The sliding column and the sliding groove are adapted to each other, the abutment block is fixedly arranged on the surface of the sliding column, the inner wall of the sliding groove is provided with an abutment groove, and the abutment block is slidably arranged in the abutment groove; a plurality of grinding blocks are symmetrically arranged on the surface of the sliding column, the inner wall of the sliding groove is provided with a grinding groove for the grinding blocks to penetrate and slide, and the grinding blocks on the two rotating rollers are staggered with each other; a sliding assembly is arranged on the casing, and the sliding assembly is used to drive the two sliding columns to slide in opposite directions at the same time.

[0007] By adopting the above technical scheme, the waste battery barrel enters the casing through the feed hopper, and the rotating component drives the two rotating rollers to rotate simultaneously. When the rotating rollers rotate, the abutment grooves will abut against the abutment blocks, thereby driving the sliding column to rotate, so that the sliding column and the rotating rollers rotate synchronously, so that the grinding blocks on the two sliding columns will rotate relatively, and the grinding blocks will extrude and crush the waste batteries; and the sliding component works in a gap, and the sliding component drives the two sliding columns to slide in opposite directions at the same time. When the sliding column slides in the sliding groove, the abutment blocks can slide in the abutment groove, and the grinding blocks can slide in the grinding groove. The staggered grinding blocks can slide in opposite directions along the length direction of the sliding column at the same time, and the grinding blocks can extrude and crush the waste batteries from another direction. The grinding blocks can be rotated with the rotating rollers to perform preliminary extrusion and grinding on the waste batteries, and the sliding component is used to make the grinding blocks slide along the horizontal direction with the sliding column, and the staggered grinding blocks can further crush and grind the waste batteries, thereby enhancing the grinding effect and improving the subsequent energy recovery rate.

[0008] Preferably, the sliding assembly includes a cylinder, a connecting ring, a first rack, a linkage gear, a guide plate and a second rack. The sliding column passes through the casing, a connecting groove is provided on the sliding column, the connecting ring is rotatably arranged in the connecting groove, the cylinder is fixedly arranged on the outer wall of the casing, the piston rod of the cylinder is connected to the first rack, the first rack is fixed to one of the connecting rings, the guide plate is fixedly arranged on the outer wall of the casing, the second rack is slidingly connected to the guide plate, the second rack is fixed to the other connecting ring, the linkage gear is rotatably arranged on the outer wall of the casing, and the linkage gear is simultaneously meshed with the first rack and the second rack.

[0009] By adopting the above technical solution, during grinding, the rotating assembly drives the rotating roller and the sliding column to rotate synchronously, the connecting ring can rotate in the connecting groove, and at the same time the piston rod of the oil cylinder extends and retracts, the oil cylinder drives the first rack to slide, the first rack drives one of the connecting blocks to abut against the inner wall of the connecting groove, and then drives one of the sliding columns to slide in the sliding groove, and the first rack will abut against the linkage gear when sliding, driving the linkage gear to rotate, and the linkage gear will abut against the second rack, so that the second rack drives another connecting block to abut against the inner wall of the connecting groove, thereby controlling the other sliding column to slide in the opposite direction in the sliding groove, and quickly controlling the grinding blocks on the two sliding columns to slide in opposite directions, and utilizing the large force of the oil cylinder to achieve a good extrusion and crushing effect.

[0010] Preferably, a plane bearing is symmetrically arranged on the inner wall of the connecting groove, one end of the plane bearing is connected to the inner wall of the connecting groove, and the other end of the plane bearing is connected to the connecting ring.

[0011] By adopting the above technical solution, the plane bearing reduces the friction between the connecting block and the inner wall of the connecting groove, which is beneficial to reducing the wear of the connecting groove and the connecting block, thereby extending the service life of the device.

[0012] Preferably, a mounting rod is fixedly provided on the inner wall of the casing, a screening net is slidably provided on the mounting rod, a group of vibration springs are sleeved on the mounting rod, one of the vibration springs is abutted against one end of the screening net, and the other vibration spring is abutted against the other end of the screening net, a linkage assembly is provided between the linkage gear and the screening net, and the linkage assembly is used for driving the screening net to slide back and forth on the mounting rod when the linkage gear rotates.

[0013] Preferably, the linkage assembly includes an abutment rod and a shift block, wherein the shift block is fixedly arranged on the side wall of the screening net, the shift block passes through the casing, and the abutment rod is fixedly arranged at the bottom end of the linkage gear, and the abutment rod can abut against the shift block.

[0014] By adopting the above technical scheme, the waste batteries after being crushed and ground by two grinding rollers will fall on the screening net, and the screening net can screen the batteries with large volume but insufficient crushing, thereby reducing the generation of defective products; and when the first rack abuts against the gear to drive the gear to rotate, the abutment rod under the gear rotates with the gear, and the abutment block can abut against the shifting block, driving the screening net to slide on the mounting rod, and the continued rotation of the gear will cause the abutment block and the shifting block to separate from each other, and the vibration spring at the moment of separation will abut against the end wall of the screening net, driving the screening net to swing back and forth on the mounting rod, and the swinging screening net can disperse the waste batteries accumulated on the top, which is beneficial to the screening of the waste batteries, and at the same time, the reciprocating rotation of the gear can drive the screening net to swing, thereby achieving low cost.

[0015] Preferably, a net unloading port is provided on the side wall of the casing, a sealing door is rotatably provided at the net unloading port, a vibration spring at one end of the screening net facing the net unloading port abuts against the sealing door, and the vibration spring and the screening net can be detached from the mounting rod.

[0016] By adopting the above technical solution, the sealing door is rotated to separate the sealing door from the unloading port, and the vibration spring and the screening net are separated from the mounting rod, so that the waste batteries screened on the screening net can be recycled and ground conveniently.

[0017] Preferably, a plurality of guide rollers are symmetrically rotatably arranged on the inner wall of the abutment groove, and the abutment block abuts against the guide rollers.

[0018] By adopting the above technical solution, when the sliding assembly drives the sliding column to slide in the sliding groove, the abutment block slides in the abutment groove, and the guide roller rotates. The guide roller can reduce the friction between the abutment block and the inner wall of the abutment groove, thereby reducing wear and extending its service life.

[0019] Preferably, the rotating assembly includes a driving gear, a driven gear and a motor, the driven gear is arranged at the end of the rotating roller, the two driven gears are meshed with each other, the motor is arranged outside the casing, the driving gear is connected to the driving shaft of the motor, and the driving gear is meshed with one of the driven gears.

[0020] By adopting the above technical solution, the motor drives the driving gear to rotate, the driving gear and the driven gear are offset, the two driven gears are offset, and the two rotating rollers are driven to rotate relative to each other, thereby controlling the relative movement of the grinding block to grind the waste batteries. The structure is simple, stable and convenient to maintain.

[0021] In summary, the present application includes at least one of the following beneficial technical effects: 1. By arranging a casing, a grinding roller, a feed hopper, a rotating roller, a sliding column, an abutting block, a grinding block, a sliding groove, an abutting groove, a grinding groove and a sliding assembly, the waste battery barrel enters the casing through the feed hopper, the rotating assembly drives the two rotating rollers to rotate simultaneously, the grinding block squeezes and crushes the waste battery, the sliding assembly drives the two sliding columns to slide in opposite directions at the same time, when the sliding column slides in the sliding groove, the staggered grinding blocks can slide in opposite directions along the length direction of the sliding column at the same time, the grinding blocks can be rotated with the rotating roller to perform preliminary extrusion and grinding on the waste battery, and the sliding assembly is used to make the grinding blocks slide along the horizontal direction with the sliding column, and the staggered grinding blocks can further crush and grind the waste battery, thereby enhancing the grinding effect and improving the subsequent energy recovery rate; 2. By setting the oil cylinder, the connecting ring, the first rack, the linkage gear, the guide plate and the second rack, during grinding, the rotating assembly drives the rotating roller and the sliding column to rotate synchronously, the connecting ring can rotate in the connecting groove, and at the same time the piston rod of the oil cylinder is extended and retracted, the first rack drives one of the sliding columns to slide in the sliding groove, and when the first rack slides, it drives the linkage gear to abut against the second rack, thereby controlling the other sliding column to slide in the opposite direction in the sliding groove, and quickly controlling the grinding blocks on the two sliding columns to slide in opposite directions, which is convenient and quick to control and can achieve a good extrusion and crushing effect; 3. By arranging the mounting rod, the screening net, the vibration spring, the abutting rod and the shifting block, when the first rack abuts against the gear to drive the gear to rotate, the abutting block can abut against the shifting block, driving the screening net to slide on the mounting rod, and the vibration spring abuts against the end wall of the screening net at the moment the abutting block is separated from the shifting block, driving the screening net to swing back and forth on the mounting rod. The swinging screening net can disperse the waste batteries accumulated on it, and the screening net can screen the large batteries that are not fully crushed. At the same time, the reciprocating rotation of the gear can drive the screening net to swing, thereby achieving low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a waste battery recycling and grinding device provided in an embodiment of the present application.

[0023] Figure 2 It is a cross-sectional view of the grinding roller in the embodiment of the present application.

[0024] Figure 3 It is a schematic diagram for illustrating the rotating component and the sliding component in the embodiment of the present application.

[0025] Figure 4 yes Figure 3 Enlarged view of part A.

[0026] Explanation of the reference numerals: 1. Casing; 11. Feed hopper; 2. Grinding roller; 21. Rotating roller; 211. Slide groove; 212. Grinding groove; 22. Slide column; 23. Abutment block; 231. Abutment groove; 24. Grinding block; 31. Cylinder; 32. Connecting ring; 321. Connecting groove; 33. First rack; 34. Linking gear; 35. Guide plate; 36. Second rack; 4. Plane bearing; 5. Mounting rod; 51. Screening net; 52. Vibration spring; 61. Abutment rod; 62. Shifting block; 7. Net unloading port; 71. Sealing door; 8. Guide roller; 91. Driving gear; 92. Driven gear; 93. Motor. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-4 This application is described in further detail.

[0028] The present application embodiment discloses a waste battery recycling and grinding device. Figure 1 and Figure 2 , it comprises a housing 1, a grinding roller 2 and a feed hopper 11, two grinding rollers 2 are rotatably arranged in the housing 1, the length direction of the grinding roller 2 is arranged along the length direction of the housing 1, the feed hopper 11 is fixedly arranged on the housing 1, and the feed hopper 11 is located directly above the grinding rollers 2. A rotating assembly is arranged on the housing 1, and the grinding roller 2 comprises a rotating roller 21, a sliding column 22, an abutting block 23 and a grinding block 24, both ends of the rotating roller 21 are rotatably connected to the inner wall of the housing 1, and the rotating assembly and the rotating roller 21 are connected to each other to drive the rotating roller 21 to rotate.

[0029] Reference Figure 2 A sliding groove 211 is provided at one end of the rotating roller 21 away from the rotating assembly, and the length direction of the sliding groove 211 is arranged along the length direction of the rotating roller 21. The sliding column 22 is slidingly arranged in the sliding groove 211, and the sliding column 22 passes through the housing 1. The sliding column 22 and the sliding groove 211 are adapted to each other, and the sliding column 22 can slide in the sliding groove. The abutment block 23 is integrally arranged on the surface of the sliding column 22, and the inner wall of the sliding groove 211 is provided with an abutment groove 231. The abutment block 23 is slidingly arranged in the abutment groove 231. When the rotating assembly drives the rotating roller 21 to rotate, the abutment groove 231 can rotate with the abutment block 23 to drive the sliding column 22 and the rotating roller 21 to rotate synchronously.

[0030] Reference Figure 3 There are several grinding blocks 24 symmetrically arranged on the surface of the sliding column 22. The grinding blocks 24 are arc-shaped and pointed. The length direction of the grinding blocks 24 is arranged along the length direction of the sliding column 22. The inner wall of the sliding groove 211 is provided with a grinding groove 212 for the grinding blocks 24 to pass through and slide along its length direction. The grinding blocks 24 on the two rotating rollers 21 are arranged alternately. The waste battery cartridge enters the housing 1 through the feed hopper 11, and the rotating assembly drives the two rotating rollers 21 to rotate relative to each other. The rotating roller 21 drives the sliding column 22 to rotate synchronously through the abutment block 23, thereby driving the grinding blocks 24 on the two sliding columns 22 to rotate relative to each other. The grinding blocks 24 can squeeze and crush the waste batteries. A sliding assembly is provided on the casing 1. When the rotating assembly continuously drives the grinding roller 2 to rotate relatively, the sliding assembly works in a gap. The sliding assembly can drive the two sliding columns 22 to slide in opposite directions in the sliding groove 211, and the abutment block 23 can slide in the abutment groove 231, and the grinding block 24 can slide in the grinding groove 212. The staggered grinding blocks 24 can slide in opposite directions along the length direction of the sliding column 22 at the same time, and the grinding block 24 can squeeze and crush the waste batteries from another direction.

[0031] Reference Figure 2A plurality of guide rollers 8 are symmetrically arranged on the inner wall of the abutment groove 231 for rotation. The length direction of the guide rollers 8 is arranged along the height of the abutment groove 231. The abutment block 23 abuts against the guide rollers 8. When the sliding assembly drives the sliding column 22 to slide in the sliding groove 211, the abutment block 23 slides in the abutment groove 231, and the guide rollers 8 rotate. The guide rollers 8 can reduce the friction between the abutment block 23 and the inner wall of the abutment groove 231, thereby reducing wear and extending the service life of the device.

[0032] Reference Figure 3 and Figure 4 The sliding assembly includes an oil cylinder 31, a connecting ring 32, a first rack 33, a linkage gear 34, a guide plate 35 and a second rack 36. A connecting groove 321 is provided at the end of the sliding column 22 outside the housing 1. The length direction of the connecting groove 321 is arranged along the circumferential direction of the sliding column 22. The connecting ring 32 is rotatably arranged in the connecting groove 321. The connecting ring 32 and the sliding column 22 are arranged coaxially. The oil cylinder 31 is fixedly arranged on the outer wall of the housing 1. The piston rod of the oil cylinder 31 is connected to the first rack 33. The length direction of the first rack 33 is arranged along the length direction of the sliding column 22. The first rack 33 is fixed to one of the connecting rings 32. The guide plate 35 is fixedly arranged on the outer wall of the housing 1. The second rack 36 is slidingly connected to the guide plate 35. The second rack 36 is parallel to the first rack 33. The second rack 36 is fixed to the other connecting ring 32. The linkage gear 34 is rotatably disposed on the outer wall of the housing 1 , and the linkage gear 34 is meshed with the first rack 33 and the second rack 36 at the same time. During grinding, the rotating assembly drives the rotating roller 21 to rotate and the sliding column 22 to rotate synchronously, and the connecting ring 32 can rotate in the connecting groove 321. By utilizing the extension and retraction of the piston rod of the oil cylinder 31, the oil cylinder 31 drives the first rack 33 to slide, and the first rack 33 drives one of the connecting blocks to abut against the inner wall of the connecting groove 321, thereby driving one of the sliding columns 22 to slide in the sliding groove 211. When the first rack 33 slides, it will abut against the linkage gear 34, driving the linkage gear 34 to rotate, and the linkage gear 34 will abut against the second rack 36, so that the second rack 36 drives another connecting block to abut against the inner wall of the connecting groove 321, thereby controlling the other sliding column 22 to slide in the opposite direction in the sliding groove 211, and quickly controlling the grinding blocks 24 on the two sliding columns 22 to slide in opposite directions. At the same time, the action force of the oil cylinder 31 is large, which can achieve a good extrusion and crushing effect.

[0033] Reference Figure 4 A plane bearing 4 is symmetrically arranged on the inner wall of the connecting groove 321, one end of the plane bearing 4 is connected to the inner wall of the connecting groove 321, and the other end of the plane bearing 4 is connected to the connecting ring 32. The plane bearing 4 reduces the friction between the connecting block and the inner wall of the connecting groove 321, which is beneficial to reducing the wear of the connecting groove 321 and the connecting block, so as to extend the service life of the device.

[0034] Reference Figure 1 and Figure 3 A mounting rod 5 is fixedly provided on the inner wall of the casing 1 by welding, and the length direction of the mounting rod 5 is arranged along the width direction of the casing 1. A screening net 51 is slidably provided on the mounting rod 5, and the screening net 51 is located directly below the grinding roller 2. A group of vibration springs 52 are sleeved on the mounting rod 5, wherein one vibration spring 52 abuts against one end of the screening net 51, and the other vibration spring 52 abuts against the other end of the screening net 51. A linkage assembly is arranged between the linkage gear 34 and the screening net 51, and the linkage assembly includes an abutting rod 61 and a shifting block 62, and the shifting block 62 is fixedly provided on the side wall of the screening net 51, and the shifting block 62 penetrates the casing 1, and the abutting rod 61 is fixedly provided at the bottom end of the linkage gear 34, and the length direction of the abutting rod 61 is arranged along the vertical direction. The used batteries crushed and ground by the two grinding rollers 2 will fall onto the screening net 51. The screening net 51 can block and screen the batteries that are large and insufficiently crushed. When the first rack 33 abuts against the gear to drive the gear to rotate, the abutment rod 61 under the gear rotates with the gear, and the abutment block 23 can abut against the shift block 62, driving the screening net 51 to slide on the mounting rod 5. The continued rotation of the gear will cause the abutment block 23 and the shift block 62 to disengage from each other. At the moment of disengagement, the vibration spring 52 abuts against the end wall of the screening net 51, driving the screening net 51 to swing back and forth on the mounting rod 5. The swinging screening net 51 can disperse the used batteries accumulated on it, which is beneficial to screening the used batteries and avoiding accumulation. At the same time, the reciprocating rotation of the gear can drive the screening net 51 to swing, thereby achieving low cost.

[0035] Reference Figure 1 and Figure 3 A net unloading port 7 is provided on the side wall of the casing 1, and a sealing door 71 is rotatably provided at the net unloading port 7. The vibration spring 52 at one end of the screening net 51 facing the net unloading port 7 abuts against the sealing door 71. The sealing door 71 is rotated to separate the sealing door 71 from the net unloading port 7, and the vibration spring 52 and the screening net 51 can be separated from the mounting rod 5, so that the waste batteries screened on the screening net 51 can be recycled and ground conveniently.

[0036] Reference Figure 3 The rotating assembly includes a driving gear 91, a driven gear 92 and a motor 93. The driven gear 92 is arranged at the end of the rotating roller 21. The driven gear 92 is coaxially arranged with the rotating roller 21. The two driven gears 92 mesh with each other. The motor 93 is arranged outside the housing 1 by bolts. The driving shafts of the driving gear 91 and the motor 93 are connected to each other. The driving gear 91 meshes with one of the driven gears 92. The motor 93 drives the driving gear 91 to rotate, the driving gear 91 and the driven gear 92 are against each other, and the two driven gears 92 are against each other, driving the two rotating rollers 21 to rotate relative to each other, thereby controlling the relative movement of the grinding block 24 to grind the waste batteries. The structure is simple, the stability is good, and it is convenient for maintenance.

[0037] The implementation principle of a waste battery recycling and grinding device in an embodiment of the present application is as follows: the waste battery barrel enters the casing 1 through the feed hopper 11, and the motor 93 drives the driving gear 91 and the driven gear 92 to rotate, thereby controlling the two rotating rollers 21 to rotate at the same time. When the rotating roller 21 rotates, the abutment groove 231 will abut against the abutment block 23, thereby driving the sliding column 22 to rotate, so that the sliding column 22 and the rotating roller 21 rotate synchronously, so that the grinding blocks 24 on the two sliding columns 22 will rotate relatively, and the grinding blocks 24 will perform preliminary extrusion and crushing on the waste batteries. When the grinding roller 2 rotates, the oil cylinder 31 works in a gap, and the oil cylinder 31 drives the first rack 33 to slide, and the first rack 33 drives one of the connecting blocks to abut against the inner wall of the connecting groove 321, thereby driving one of the sliding columns 22 to slide in the sliding groove 211, and the first rack 33 will abut against the linkage gear 34 when sliding, driving the linkage gear 34 to rotate, and the linkage gear 34 will abut against the second rack 36, so that the second rack 36 drives another connecting block to abut against the inner wall of the connecting groove 321, thereby controlling the other sliding column 22 to slide in the sliding groove 211. The grinding blocks 24 on the two sliding columns 22 can slide in opposite directions by quickly controlling the grinding blocks 24 to slide in opposite directions. The grinding blocks 24 can squeeze and crush the used batteries from another direction. The grinding blocks 24 can be rotated with the rotating roller 21 to perform preliminary squeezing and grinding on the used batteries. The sliding assembly can be used to make the grinding blocks 24 slide in the horizontal direction with the sliding columns 22. The staggered grinding blocks 24 can further crush and grind the used batteries, thereby enhancing the grinding effect and improving the subsequent energy recovery rate.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A waste battery recycling grinding device, comprising a housing (1), a grinding roller (2) and a feed hopper (11), wherein two grinding rollers (2) are rotatably arranged in the housing (1), the feed hopper (11) is fixedly arranged on the housing (1), and the feed hopper (11) is located directly above the grinding roller (2), and the housing (1) is provided with a rotating assembly for driving the two grinding rollers (2) to rotate relative to each other, characterized in that: The grinding roller (2) comprises a rotating roller (21), a sliding column (22), an abutment block (23) and a grinding block (24); both ends of the rotating roller (21) are rotatably connected to the inner wall of the housing (1); the rotating assembly and the rotating roller (21) are connected to each other; one end of the rotating roller (21) is provided with a sliding groove (211); the sliding column (22) is slidingly arranged in the sliding groove (211); the sliding column (22) and the sliding groove (211) are adapted to each other; the abutment block (23) is fixedly arranged on the surface of the sliding column (22); the sliding column (22) and the sliding groove (211) are adapted to each other; the abutment block (23) is fixedly arranged on the surface of the sliding column (22); the sliding column (22) and the sliding groove (211) are adapted to each other; the abutment block (23) is fixedly arranged on the surface of the sliding column (22); the sliding column (22) and the sliding groove (211) are adapted to each other; the sliding column (22) and the abutment block (23) are ... The inner wall of the displacement groove (211) is provided with an abutment groove (231), and the abutment block (23) is slidably arranged in the abutment groove (231); a plurality of grinding blocks (24) are symmetrically arranged on the surface of the sliding column (22); the inner wall of the sliding groove (211) is provided with a grinding groove (212) for the grinding block (24) to penetrate and slide, and the grinding blocks (24) on the two rotating rollers (21) are arranged in an interlaced manner; and a sliding component is arranged on the housing (1), and the sliding component is used to drive the two sliding columns (22) to slide in opposite directions at the same time.

2. A waste battery recycling and grinding device according to claim 1, characterized in that: The sliding assembly comprises an oil cylinder (31), a connecting ring (32), a first rack (33), a linkage gear (34), a guide plate (35) and a second rack (36); the sliding column (22) passes through the housing (1); a connecting groove (321) is provided on the sliding column (22); the connecting ring (32) is rotatably arranged in the connecting groove (321); the oil cylinder (31) is fixedly arranged on the outer wall of the housing (1); a piston rod of the oil cylinder (31) and the first rack (33) are connected to each other. ) are interconnected, the first rack (33) is fixed to one of the connecting rings (32), the guide plate (35) is fixedly arranged on the outer wall of the housing (1), the second rack (36) is slidably connected to the guide plate (35), the second rack (36) is fixed to another connecting ring (32), the linkage gear (34) is rotatably arranged on the outer wall of the housing (1), and the linkage gear (34) is simultaneously meshed with the first rack (33) and the second rack (36).

3. A waste battery recycling and grinding device according to claim 2, characterized in that: A plane bearing (4) is symmetrically arranged on the inner wall of the connecting groove (321), one end of the plane bearing (4) is connected to the inner wall of the connecting groove (321), and the other end of the plane bearing (4) is connected to the connecting ring (32).

4. A waste battery recycling and grinding device according to claim 2, characterized in that: A mounting rod (5) is fixedly arranged on the inner wall of the casing (1), a screening net (51) is slidably arranged on the mounting rod (5), a group of vibration springs (52) are sleeved on the mounting rod (5), one of the vibration springs (52) abuts against one end of the screening net (51), and the other vibration spring (52) abuts against the other end of the screening net (51), and a linkage assembly is arranged between the linkage gear (34) and the screening net (51), and the linkage assembly is used to drive the screening net (51) to slide back and forth on the mounting rod (5) when the linkage gear (34) rotates.

5. A waste battery recycling and grinding device according to claim 4, characterized in that: The linkage assembly comprises an abutment rod (61) and a shifting block (62); the shifting block (62) is fixedly arranged on the side wall of the screening net (51); the shifting block (62) passes through the casing (1); the abutment rod (61) is fixedly arranged at the bottom end of the linkage gear (34); and the abutment rod (61) can abut against the shifting block (62).

6. A waste battery recycling and grinding device according to claim 4, characterized in that: A net unloading port (7) is provided on the side wall of the housing (1), a sealing door (71) is rotatably provided at the net unloading port (7), a vibration spring (52) at one end of the screening net (51) facing the net unloading port (7) abuts against the sealing door (71), and the vibration spring (52) and the screening net (51) can be separated from the mounting rod (5).

7. A waste battery recycling and grinding device according to claim 1, characterized in that: A plurality of guide rollers (8) are symmetrically arranged on the inner wall of the abutment groove (231) so as to rotate, and the abutment block (23) abuts against the guide rollers (8).

8. The waste battery recycling and grinding device according to claim 1, characterized in that: The rotating assembly comprises a driving gear (91), a driven gear (92) and a motor (93); the driven gear (92) is arranged at the end of the rotating roller (21); the two driven gears (92) are meshed with each other; the motor (93) is arranged outside the housing (1); the driving gear (91) and the driving shaft of the motor (93) are connected to each other; the driving gear (91) and one of the driven gears (92) are meshed with each other.

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